--- title: "Motunrayo Koyejo (@motunrayokoyejo) | Hashnode" description: "Software Engineer. Read the latest articles by Motunrayo Koyejo on Hashnode." url: "https://hashnode.com/@motunrayokoyejo" --- @motunrayokoyejo # Motunrayo Koyejo @motunrayokoyejo · Lagos, Nigeria · Joined April 2020 Software Engineer ### [Demystifying AWS S3: The Backbone of Modern Data Storage](https://motunrayokoyejo.hashnode.dev/demystifying-aws-s3-the-backbone-of-modern-data-storage?utm_source=hashnode&utm_medium=feed) Introduction Imagine having a virtual vault where you can store virtually any amount of data, access it from anywhere, and ensure it’s safe and secure—this is precisely what AWS S3 (Amazon Simple Storage Service) offers. AWS S3 is a highly scalable, ... 5 min read · [motunrayokoyejo.hashnode.dev](https://motunrayokoyejo.hashnode.dev/demystifying-aws-s3-the-backbone-of-modern-data-storage?utm_source=hashnode&utm_medium=feed) [May 21, 2024](https://hashnode.com/posts/demystifying-aws-s3-the-backbone-of-modern-data-storage/677fcab0ea7bc7ac28aa20a7) ### [How to Prepare for and Pass the AWS Certified Cloud Practitioner Exam](https://motunrayokoyejo.hashnode.dev/how-to-prepare-for-and-pass-the-aws-certified-cloud-practitioner-exam?utm_source=hashnode&utm_medium=feed) Introduction The AWS Certified Cloud Practitioner certification is an excellent starting point for anyone interested in cloud computing. It is designed for beginners, making it accessible even if you have no technical background. Whether you’re a stu... 5 min read · [motunrayokoyejo.hashnode.dev](https://motunrayokoyejo.hashnode.dev/how-to-prepare-for-and-pass-the-aws-certified-cloud-practitioner-exam?utm_source=hashnode&utm_medium=feed) [Feb 25, 2024](https://hashnode.com/posts/how-to-prepare-for-and-pass-the-aws-certified-cloud-practitioner-exam/677ea1d06b52e7d3034160f1) ### [Maximizing Code Quality with Unit Testing](https://motunrayokoyejo.hashnode.dev/maximizing-code-quality-with-unit-testing?utm_source=hashnode&utm_medium=feed) Unit testing is a software testing technique that involves testing individual units of code in isolation. A unit of code is typically a function, method, or small piece of functionality that performs a specific task. Unit tests are automated, meaning... 3 min read · [motunrayokoyejo.hashnode.dev](https://motunrayokoyejo.hashnode.dev/maximizing-code-quality-with-unit-testing?utm_source=hashnode&utm_medium=feed) [May 11, 2023](https://hashnode.com/posts/maximizing-code-quality-with-unit-testing/645cf2411eb4aa2e0bc390ac) ### [CRUD Operations: The Basics of Backend Development](https://motunrayokoyejo.hashnode.dev/crud-operations-the-basics-of-backend-development?utm_source=hashnode&utm_medium=feed) CRUD operations are the four basic operations that are used in most backend systems to Create, Read, Update, and Delete data. These procedures serve as the foundation of many backend systems and are necessary for any application that needs data manag... 2 min read · [motunrayokoyejo.hashnode.dev](https://motunrayokoyejo.hashnode.dev/crud-operations-the-basics-of-backend-development?utm_source=hashnode&utm_medium=feed) [May 9, 2023](https://hashnode.com/posts/crud-operations-the-basics-of-backend-development/645a545049feaa64c1891264) ### [An Introduction to NodeJs](https://motunrayokoyejo.hashnode.dev/an-introduction-to-nodejs?utm_source=hashnode&utm_medium=feed) Node is an open-source runtime environment built on Javascript, it allows us to run Javascript outside the browser; Javascript was initially used inside the browser alone until node was developed. Node uses V8 which is built by Google to run javascri... 4 min read · [motunrayokoyejo.hashnode.dev](https://motunrayokoyejo.hashnode.dev/an-introduction-to-nodejs?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/an-introduction-to-nodejs/6019d7f30394d00f62dc4e5b) [Feb 2, 2021](https://hashnode.com/posts/an-introduction-to-nodejs/6019d7f30394d00f62dc4e5b)